Narrative:

During the ILS runway 30 approach to long beach daugherty field, we were cleared to land and hold short of runway 25R. During the rollout, the controller advised that we were passing taxiway G and that we should take the 'next one' and contact ground control on 133.0. Confusion began when it was determined that the next exit point off of runway 30, as indicated by our understanding of the controller's clearance was runway 34L/16R, which was currently closed for undetermined runway end zone repairs and not another taxiway as would be expected. Runway 34L/16R was marked as closed with standard standing X's to signify its closure. Based on these closure markings and the guidance to exit at the 'next one,' our aircraft exited onto closed runway 34L/16R and we contacted ground control on 133.0, as instructed. Upon establishing contact with ground control, the controller stated we were on a closed runway, that this was ok and to taxi via runway 34L/16R and taxiway G to FBO. It was acknowledged that our aircraft was on closed runway 34L/16R, the taxi instructions were read back and followed. The remaining taxi to parking was uneventful. Confusion resulted from the use of non-standard phraseology, the closure of runway 34L/16R, a failure to clarify the situation, which lead to misunderstandings and miscoms as to the intention of the controller's clearance. As a result, our aircraft exited off of the active runway 30 onto a closed runway without a clear plan of action on the part of the controller or the flight crew. In the future, a full and complete determination of the controller's guidance and intentions, as well as a full and complete clarification of any miscom, misunderstanding or unknown phraseology should be questioned and resolved before proceeding any further.

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Original NASA ASRS Text

Title: A CE425 ATP OBSERVER-PAX, DURING LNDG ROLLOUT AT LGB, RPTED THAT HE AND THE PF WERE CONFUSED BY TWR'S INSTRUCTIONS AND TAXIED OFF THE ACTIVE ONTO A RWY RATHER THAN A TXWY. FLT HAD BEEN ISSUED A LAHSO, RWY 25R.

Narrative: DURING THE ILS RWY 30 APCH TO LONG BEACH DAUGHERTY FIELD, WE WERE CLRED TO LAND AND HOLD SHORT OF RWY 25R. DURING THE ROLLOUT, THE CTLR ADVISED THAT WE WERE PASSING TXWY G AND THAT WE SHOULD TAKE THE 'NEXT ONE' AND CONTACT GND CTL ON 133.0. CONFUSION BEGAN WHEN IT WAS DETERMINED THAT THE NEXT EXIT POINT OFF OF RWY 30, AS INDICATED BY OUR UNDERSTANDING OF THE CTLR'S CLRNC WAS RWY 34L/16R, WHICH WAS CURRENTLY CLOSED FOR UNDETERMINED RWY END ZONE REPAIRS AND NOT ANOTHER TXWY AS WOULD BE EXPECTED. RWY 34L/16R WAS MARKED AS CLOSED WITH STANDARD STANDING X'S TO SIGNIFY ITS CLOSURE. BASED ON THESE CLOSURE MARKINGS AND THE GUIDANCE TO EXIT AT THE 'NEXT ONE,' OUR ACFT EXITED ONTO CLOSED RWY 34L/16R AND WE CONTACTED GND CTL ON 133.0, AS INSTRUCTED. UPON ESTABLISHING CONTACT WITH GND CTL, THE CTLR STATED WE WERE ON A CLOSED RWY, THAT THIS WAS OK AND TO TAXI VIA RWY 34L/16R AND TXWY G TO FBO. IT WAS ACKNOWLEDGED THAT OUR ACFT WAS ON CLOSED RWY 34L/16R, THE TAXI INSTRUCTIONS WERE READ BACK AND FOLLOWED. THE REMAINING TAXI TO PARKING WAS UNEVENTFUL. CONFUSION RESULTED FROM THE USE OF NON-STANDARD PHRASEOLOGY, THE CLOSURE OF RWY 34L/16R, A FAILURE TO CLARIFY THE SIT, WHICH LEAD TO MISUNDERSTANDINGS AND MISCOMS AS TO THE INTENTION OF THE CTLR'S CLRNC. AS A RESULT, OUR ACFT EXITED OFF OF THE ACTIVE RWY 30 ONTO A CLOSED RWY WITHOUT A CLR PLAN OF ACTION ON THE PART OF THE CTLR OR THE FLT CREW. IN THE FUTURE, A FULL AND COMPLETE DETERMINATION OF THE CTLR'S GUIDANCE AND INTENTIONS, AS WELL AS A FULL AND COMPLETE CLARIFICATION OF ANY MISCOM, MISUNDERSTANDING OR UNKNOWN PHRASEOLOGY SHOULD BE QUESTIONED AND RESOLVED BEFORE PROCEEDING ANY FURTHER.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.